. Author manuscript; available in PMC: 2013 Aug 1.

Published in final edited form as: Am J Ophthalmol. 2012 May 23;154(2):297–302.e1. doi: 10.1016/j.ajo.2012.02.035

Table 3.

Stereoacuity at Age 10 Years versus Ocular Alignment at Enrollment

Stereoacuity at age 10 years (seconds of arc)	Ocular Alignment at Enrollment
Stereoacuity at age 10 years (seconds of arc)	Orthotropia (0 Δ) N=47	Microtropia (1–8 Δ) N=29	Heterotropia (>8 Δ) N=29
40	10	2	0
60	5	2	0
100	10	1	2
200	6	3	1
400	6	2	1
800	1	1	2
>800	9	14	17
Failed pretest/Test not done	0	4	6

Median (25^th, 75^th %ile)	100 (60, 400)	>800 (200, >800)	>800 (800, >800)

P-Value^*	<0.001

From an exact Wilcoxon rank sum test for the difference in distribution of stereoacuity (logarithm of seconds of arc) in subjects with orthotropia at enrollment versus subjects without orthotropia at enrollment (subjects with microtropia or heterotropia)